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A mathematician works for $t$ hours per day and solves  $p$ problems per hour, where $t$ and $p$ are positive integers. One day, the mathematician drinks some coffee and discovers that he can now solve $4p+7$ problems per hour. In fact, he only works for $t-3$ hours that day, but he still solves twice as many problems as he would in a normal day. How many problems does he solve the day he drinks coffee?

 Aug 29, 2023
 #1
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Here :

 

https://web2.0calc.com/questions/help-plz_49013#r1

 

 

cool cool cool

 Aug 30, 2023

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